Home > E. Pathology by systems > Reproductive system > Male genital system > gynecomastia
gynecomastia
Tuesday 30 September 2008
| WP |
Definition: Gynecomastia is a common disorder of the endocrine system in which there is a non-cancerous increase in the size of breast tissue in males.
Microscopy
Gynecomastia has ductal proliferation with a prominent rim of edematous stroma.
Etiology
Differential diagnosis: mammary biphasic lesions
adenomyoepithelioma
mammary fibroadenomas
- mammary juvenile fibroadenoma
mammary hamartoma
metaplastic mammary carcinoma
phyllodes tumor
pleomorphic adenoma
gynecomastia
pubertal macromastia
References
The 3-layered Ductal Epithelium in Gynecomastia. Kornegoor R, Verschuur-Maes AH, Buerger H, van Diest PJ. Am J Surg Pathol. 2012 Feb 3. PMID: 22314184
Braunstein GD. Clinical practice. Gynecomastia. N Engl J Med. 2007 Sep 20;357(12):1229-37. PMID: 17881754